package com.fjnu.interceptor;


import java.io.OutputStreamWriter;
import java.io.Writer;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

public class JSONPInterceptor extends HandlerInterceptorAdapter {

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
		return true;
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView)
			throws Exception {
		Boolean isJSONP = (Boolean) request.getAttribute("isJSONP");
		if (isJSONP != null && isJSONP == true) {
			Writer writer = new OutputStreamWriter(response.getOutputStream());
			writer.write(')');
			writer.flush();
		}
	}

}
